{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "DNA", "cell type", "RNA"], "input": "On the basis of binding , reconstitution and cotransfection experiments , we propose that activation of NF-AT occurs in at least two stages: a CsA -sensitive stage involving modification and/or translocation of the pre-existing NF-AT complex , and a CsA -insensitive stage involving the addition of newly synthesized Fos or Fos/Jun proteins to the pre-existing complex ."}
{"protein": ["NF-AT", "NF-AT complex", "Fos", "Fos/Jun proteins", "pre-existing complex"], "DNA": [], "cell type": [], "RNA": []}